Structure of 18113-07-0
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The BI-3802 was designed by Boehringer Ingelheim and could be obtained free of charge through the Boehringer Ingelheim open innovation portal opnMe.com, associated with its negative control.
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CAS No. : | 18113-07-0 |
Formula : | C7H7ClO2 |
M.W : | 158.58 |
SMILES Code : | OC1=CC=C(Cl)C(OC)=C1 |
MDL No. : | MFCD16998742 |
Boiling Point : | No data available |
InChI Key : | NKFRBXPBRPYULV-UHFFFAOYSA-N |
Pubchem ID : | 11099860 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H315-H319 |
Precautionary Statements: | P305+P351+P338 |
Num. heavy atoms | 10 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.14 |
Num. rotatable bonds | 1 |
Num. H-bond acceptors | 2.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 39.97 |
TPSA ? Topological Polar Surface Area: Calculated from |
29.46 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.71 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
2.36 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
2.05 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
1.75 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
1.98 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.97 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.69 |
Solubility | 0.325 mg/ml ; 0.00205 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.62 |
Solubility | 0.381 mg/ml ; 0.00241 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-2.55 |
Solubility | 0.444 mg/ml ; 0.0028 mol/l |
Class? Solubility class: Log S scale |
Soluble |
GI absorption? Gatrointestinal absorption: according to the white of the BOILED-Egg |
High |
BBB permeant? BBB permeation: according to the yolk of the BOILED-Egg |
Yes |
P-gp substrate? P-glycoprotein substrate: SVM model built on 1033 molecules (training set) |
No |
CYP1A2 inhibitor? Cytochrome P450 1A2 inhibitor: SVM model built on 9145 molecules (training set) |
No |
CYP2C19 inhibitor? Cytochrome P450 2C19 inhibitor: SVM model built on 9272 molecules (training set) |
No |
CYP2C9 inhibitor? Cytochrome P450 2C9 inhibitor: SVM model built on 5940 molecules (training set) |
No |
CYP2D6 inhibitor? Cytochrome P450 2D6 inhibitor: SVM model built on 3664 molecules (training set) |
No |
CYP3A4 inhibitor? Cytochrome P450 3A4 inhibitor: SVM model built on 7518 molecules (training set) |
No |
Log Kp (skin permeation)? Skin permeation: QSPR model implemented from |
-5.59 cm/s |
Lipinski? Lipinski (Pfizer) filter: implemented from |
0.0 |
Ghose? Ghose filter: implemented from |
None |
Veber? Veber (GSK) filter: implemented from |
0.0 |
Egan? Egan (Pharmacia) filter: implemented from |
0.0 |
Muegge? Muegge (Bayer) filter: implemented from |
1.0 |
Bioavailability Score? Abbott Bioavailability Score: Probability of F > 10% in rat |
0.55 |
PAINS? Pan Assay Interference Structures: implemented from |
0.0 alert |
Brenk? Structural Alert: implemented from |
0.0 alert: heavy_metal |
Leadlikeness? Leadlikeness: implemented from |
No; 1 violation:MW<1.0 |
Synthetic accessibility? Synthetic accessibility score: from 1 (very easy) to 10 (very difficult) |
1.46 |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
46% | With N-chloro-succinimide; In acetonitrile; at 0 - 20℃; for 2h;Heating / reflux; | Example 3. 2-(4-Chloro-3-methoxy-phenoxymethyl)-l-(3,5-dichloro-benzyI)-lH- imidazoleTo a solution of 3-methoxyphenol (621 mg, 5.0 mmol) in dry acetonitrile (10 mL) at O0C was added N-chlorosuccinimide. The reaction was allowed to warm to ambient temperature then heated at reflux for 2 h. TLC analysis (4:1, hexanes/EtOAc) indicated two products (Rf: 0.22 and 0.30). After removal of solvent in vacuo and column chromatography (8:1 to 4:1 hexanes/EtOAc) the two products were isolated individually and characterized by 1H and NuOESY NuMR. The desired 4-chloro-3-methoxyphenol was identified as the lower Rf product and isolated as a colorless oil (360 mg, 46%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
PREPARATION M12 4-Chloro-3-methoxyphenol The product of the preceding Preparation (8.2 g, 0.052 mol) was dissolved in 50 ml concentrated H2 SO4 by stirring and warming. The solution was cooled and slowly and carefully diluted, with stirring, with 50 ml H2 O (reverse addition is preferred). At 0, NaNO2 (3.8 g, 0.055 mol) in 10 ml H2 O was added dropwise. The mixture was slowly warmed to room temperature, stirred for 15 minutes, then warmed to 50 C. until gas evolution ceased. The mixture was cooled, diluted with an equal volume of water, saturated with excess NaCl and extracted with an equal volume of ether. The ether extract was dried over MgSO4, stripped to an oil and chromatographed on 250 cc silica gel with CHCl3 as eluant to yield purified title product, 1.7 g, having 1 H-NMR consistent with its structure, used as starting material for Preparation L1, above. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In N-methyl-acetamide; water; | bis(4-chloro-3-methoxyphen-1-oxy)methane) A solution of 100 g of <strong>[18113-07-0]4-chloro-3-methoxyphenol</strong> in 250 ml of dimethylformamide was slowly added dropwise to a suspension of 16.0 g of sodium hydride (95% strength) in 300 ml of dimethylformamide under argon at 0 C. When the addition was complete, the mixture was after-stirred for a further 1 hour at 40 C., giving a clear, yellow solution. At room temperature, a solution of 88.1 g of diiodomethane in 100 ml of dimethylformamide was then slowly added dropwise. The solution was stirred for 15 hours at room temperature, during which an orange-red suspension gradually formed. The mixture was then stirred for a further 3 hours at 50 C. 400 ml of water were added and the mixture was extracted with 3*150 ml of methylene chloride. The combined organic phases were washed with 3*100 ml of saturated aqueous sodium chloride solution, the organic phases were dried over sodium sulfate, and the solvent was removed at 50 C. under reduced pressure, giving an orange-brown solid residue. This residue was dissolved in 250 ml of methyl tert-butyl ether at the boil, decanted off from the oily residue present and concentrated by evaporation until precipitation occurred. The mixture was left to crystallize first at room temperature and then, to complete the precipitation, at +40C. The precipitate was filtered off and carefully washed with 1:1 methyl tert-butyl ether/petroleum ether. The mother liquor was concentrated by evaporation and left to crystallize again. Yield: 85.2 g (82% of theory) Melting point: 110 C. By removing the DMF prior to work-up with dichloromethane/water, it is possible to increase the chemical yield from 82 to 90%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
96% | In N,N-dimethyl-formamide; | a) tert-Butyl-(4-chloro-3-methyl-phenoxy)-dimethyl-silane Under argon, tert-butyldimethylchlorosilane (1.21 g, 7.71 mmol) was added to a solution of <strong>[18113-07-0]4-chloro-3-methoxyphenol</strong> (1.0 g, 7.01 mmol) and imidazole (1.049 g, 15.42 mmol) in DMF (15 ml) at 0 C. After the addition, the ice bath was removed and the reaction mixture was stirred overnight. The solution was quenched with water and extracted with diethyl ether. The organic extract was washed with 2N HCl, water, aq. NaHCO3, brine then dried (Na2SO4). Removal of all volatiles in vacuo afforded the title compound as a colorless oil (1.73 g, 96%). Mass spectrum ES+: 257.0 [M+H]+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
97% | To a mixture of 2-chloromethyl-l-(3,5-dichlorobenzyl)-lH-imidazole hydrochloride (see Example 1) (150 mg, 0.5 mmol), <strong>[18113-07-0]4-chloro-3-methoxyphenol</strong> (158 mg, 1 mmol) and DMSO (1 mL) was added K2CO3 (415 mg, 3 mmol). The reaction was stirred at ambient temperature for 8 h before diluting with water (10 mL). A solution of IN HCl was added until the mixture was only slightly basic (pEta 8) before extracting with EtOAc (30 mL). The EtOAc phase was washed with water (10 mL), dried (Na2SO4) and concentrated in vacuo. The residue was purified by column chromatography (silica gel, 1 :2, hexanes/EtOAc) to afford the title compound (194 mg, 97%) as a white solid: ESI MS m/z 397 [C18H15Cl3N2O2 + H]+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In methane sulfonic acid; chloroform; | PREPARATION L1 6-Chloro-7-methoxy-2-methylchroman-4-one A solution of 1.0 g (6.3 mmol) <strong>[18113-07-0]4-chloro-3-methoxyphenol</strong> and 5.4 g (6.3 mmol) crotonic acid in 15 ml methane sulfonic acid was heated at 95 C. under nitrogen for 20 hours. The reaction was cooled to 23 C., poured onto 150 ml ice and water and extracted with 100 ml ethyl acetate. The ethyl acetate extract was successively washed with 100 ml water, 2*100 ml 1N sodium hydroxide and 100 ml brine, dried over magnesium sulfate and concentrated in vacuo to a purple crystalline solid. This was purified by flash chromatography on 150 cc silica gel using chloroform as eluant to give the product as a yellow crystalline solid, 1.1 g (78%); m.p. 96-100 C. 1 H-NMR(CDCl3)delta(ppm): 7.65 (s, 1H), 6.32 (s, 1H), 4.45 (m, 1H), 3.80 (s, 3H), 2.48 (d, 2H), 1.42 (d, 3H) (substantially the same as the product of Preparation H1, above). | |
In methane sulfonic acid; chloroform; | PREPARATION L1 6-Chloro-7-methoxy-2-methylchroman-4-one A solution of 1.0 g (6.3 mmol) <strong>[18113-07-0]4-chloro-3-methoxyphenol</strong> and 5.4 g (6.3 mmol) crotonic acid in 15 ml methane sulfonic acid was heated at 95C. under nitrogen for 20 hours. The reaction was cooled to 23C., poured onto 150 ml ice and water and extracted with 100 ml ethyl acetate. The ethyl acetate extract was successively washed with 100 ml water, 2 * 100 ml 1 N sodium hydroxide and 100 ml brine, dried over magnesium sulfate and concentrated in vacuo to a purple crystalline solid. This was purified by flash chromatography on 150 cc silica gel using chloroform as eluant to give the product as a yellow crystalline solid, 1.1 g (78%); m.p. 96-100C. 1H-NMR(CDCl3)delta(ppm): 7.65 (s, 1H), 6.32 (s, 1H), 4.45 (m, 1H), 3.80 (s, 3H), 2.48 (d, 2H), 1.42 (d, 3H) (substantially the same as the product of Preparation H1, above). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
PREPARATION M12 4-Chloro-3-methoxyphenol The product of the preceding Preparation (8.2 g, 0.052 mol) was dissolved in 50 ml concentrated H2SO4 by stirring and warming. The solution was cooled and slowly and carefully diluted, with stirring, with 50 ml H2O (reverse addition is preferred). At 0, NaNO2 (3.8 g, 0.055 mol) in 10 ml H2O was added dropwise. The mixture was slowly warmed to room temperature, stirred for 15 minutes, then warmed to 50C. until gas evolution ceased. The mixture was cooled, diluted with an equal volume of water, saturated with excess NaCl and extracted with an equal volume of ether. The ether extract was dried over MgSO4, stripped to an oil and chromatographed on 250 cc silica gel with CHCl3 as eluant to yield purified title product, 1.7 g, having 1H-NMR consistent with its structure, used as starting material for Preparation L1, above. |